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Finding the Fourth Proportional to 69,265.83, 103,898.80 and 16,675.32

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Solution

The fourth proportional to 69,265.83, 103,898.80 and 16,675.32 is: 25,012.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,265.83 : 103,898.80 = 16,675.32 : x
  2. Step 2: Convert to fraction form
    69,265.83/103,898.80 = 16,675.32/x
  3. Step 3: Cross multiply
    69,265.83x = 103,898.80 × 16,675.32
  4. Step 4: Simplify right side
    69,265.83x = 1,732,545,563.65
  5. Step 5: Solve for x
    x = 1,732,545,563.65/69,265.83
  6. Step 6: Final answer
    x = 25,012.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.